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Urgent help: Oxygen mixture compressor

2009-03-17View Original

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We are facing a problem now: the gas mixture we obtain contains about 43% oxygen and 57% water vapor. Pressure 1.5 atm, temperature 208 degrees. Now it needs to be compressed to 12 MPa. I first cooled it to around 30 degrees, and then separated and removed most of the water. Because if cooling continues, the load on the heat exchanger increases, and the saturated vapor pressure of water does not change much either. Then primary compression was carried out. A centrifugal compressor was selected, with a maximum operating temperature of no more than 260 degrees, and a compression ratio of around 4. Due to the increased pressure, it is necessary to continue cooling and remove the moisture from the mixed gas before it enters the subsequent compressor, in order to minimize the occurrence of a two-phase state after compression. Is my approach reasonable? Are there any other better compression methods or compressors that can handle this mixture? Thank you all, masters!

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